Electricians' operating and testing manual; a hand book for men in charge of electrical apparatus, repair men, trouble men, lamp trimmers, and electricians generally (1916)
Horstmann, Henry Charles, Tousley, Victor Hugo, 1875- joint author · Chicago, F.J. Drake & co · leaf 263
elative resist-ance of shunt and instrument and the cord sent withthem should always be used full length, or the read-ings will be inaccurate. The measuring capacity of any ammeter may be in-creased by providing a suitable shunt. If the resist-ance of the shunt is made l/9th that of the ammeter,the… … Figure 160 nected in parallel, but each must be provided with itsown shunt. Two ammeters must never be connected to oneshunt. WHEATSTONE BRIDGE For the measurement of resistances ordinarily metwith the Wheatstone bridge is generally used Theprinciple of its operation, if thoroughly understood,wall…
Electrical engineering · Electric testing
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